Everyone dreams of that one life-changing spin—and for a few lucky players, that dream became a million-dollar reality. In the world of online slots, jackpots can reach astronomical heights, especially with progressive networks pooling bets from thousands of players. But who actually wins these giant prizes? Which games pay out the most? And can regular players really hit those huge numbers?
Let’s explore five of the biggest verified online slot jackpots ever recorded and break down what they can teach the rest of us about chasing jackpots smartly.
Date: September 28, 2018
Amount: €18,915,872 (≈ $20 million)
Casino: Grand Mondial Casino
Game: Mega Moolah by Microgaming
This record-breaking win still stands as the largest ever jackpot awarded on an online slot. The lucky player, based in Belgium, struck the Mega Moolah jackpot with a small wager. Microgaming confirmed the payout, and the Guinness World Records even documented it as the highest online slot win ever.
Date: January 2013
Amount: €17,861,800
Casino: PAF.com
Game: Mega Fortune by NetEnt
A Finnish man won nearly €18 million from a 25-cent spin while playing at the Nordic platform PAF.com. This jackpot brought NetEnt into the spotlight and cemented Mega Fortune’s reputation as a global progressive powerhouse.
Date: October 6, 2015
Amount: £13.2 million (≈ €14.2 million)
Casino: Betway
Game: Mega Moolah by Microgaming
British soldier Jon Heywood made headlines worldwide after turning a £0.25 spin into a multimillion-pound fortune. His emotional story, involving plans to help family members with medical needs, added a heartwarming layer to this already legendary win.
Date: April 2020
Amount: €11.7 million
Casino: JackpotCity
Game: Mega Moolah Isis by Microgaming
As the world locked down, one lucky player struck it rich from the comfort of their home. Though the winner remained anonymous, the event was confirmed by Microgaming, and the win helped renew interest in Mega Moolah’s spin-off titles like Isis and Atlantean Treasures.
Date: April 2021
Amount: €10.7 million
Casino: Optibet
Game: Mega Moolah by Microgaming
Optibet, a popular European operator, saw one of its players hit a stunning jackpot in 2021. The game? Once again, Mega Moolah. The prize? Life-changing. This jackpot was claimed via a mobile device, proving that even smartphone spins can lead to enormous windfalls.
Yes—but with caution. Jackpot slots have extremely low odds of hitting the top prize, but someone eventually wins. Most of these progressives use random triggers or wheel spins to award their jackpots. The seed amount (starting jackpot) and pooled contributions from global players keep those counters growing.
It’s critical to always play responsibly. Never chase jackpots with money you can’t afford to lose. But if you’re playing anyway—slots like Mega Moolah, WowPot, and Hall of Gods offer a chance, however slim, at a multimillion-euro win.
These winners didn’t use tricks or max betting strategies—they simply played the right games at the right time. If you’re going to chase a jackpot, pick well-known progressive titles with a history of real payouts, and always stick to your bankroll.
At Casitsu, you can explore the world of Mega Moolah and other top sweepstakes casinos offering jackpot-style gameplay for free or real prizes. Spin safe, spin smart—and who knows? The next story could be yours.
Curious about jackpots? We’ve got answers.
The largest confirmed jackpot is €18.9 million, won in 2018 by a Belgian player on Microgaming’s Mega Moolah at Grand Mondial Casino.
No. In most cases, including Mega Moolah, even minimum bets can qualify for the progressive jackpot. Always check the game rules.
Absolutely. Many of the largest recorded wins happened on mobile devices, confirming that mobile gameplay is just as rewarding.
Progressive jackpots grow over time as more players bet, while fixed jackpots offer a set prize amount regardless of how much is wagered.
Hi, I’m Oliver Smith, a professional game reviewer and tester with extensive experience working directly with leading gaming providers. Over the years, I have collaborated with major game developers and operators such as Playtech, Pragmatic etc., conducting thorough testing and analysis of slot games to ensure quality and fairness.
Currently, I serve as the Chief Slot Reviewer at Casitsu, where I lead content creation and provide in-depth, unbiased reviews of the latest slot releases. Alongside Casitsu, I contribute my expert insights to several other respected gaming platforms, helping players understand game mechanics, RTP, volatility, and bonus features.
My work has also been featured in prominent media outlets, including Financial Post, Digital Journal, and Benzinga, where I share my analysis on gaming trends, industry news, and emerging technologies shaping the future of online slots and casino gaming.
I strive to deliver honest, detailed, and balanced critiques that empower players to make informed decisions and enjoy the best gaming experiences possible.
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